Technical means play an important role
Technical means play an important role in the following areas:
Technical measures may be exposed, hidden, or camouflaged. Dummy or fake means might be used too. Cameras can be external, internal, adjustable, suitable for light or infra-red; they might be internet cameras or wireless systems. Detectors can detect movement, volume, sound, and/or temperature. Other technical means include alarm systems, distress sensors/detectors/buttons (for security personnel and business owners), weapons